Figure 1From: Up-regulation on cytochromes P450 in rat mediated by total alkaloid extract from Corydalis yanhusuo HPLC-fingerprint chromatograms of total alkaloids of YHS. (A) Chromatogram of the total alkaloid extract (TAE); (B) chromatogram of reference standards; and (C) chromatogram of the blank solvent; 1, protopine; 2, allocryptopin; 3, dehydrocorydaline; 4, tetrahydropalmatine; 5, corydaline; 6, tetrahydroberberine;7, glaucine.Back to article page